42773556 has 48 divisors (see below), whose sum is σ = 114544640. Its totient is φ = 12169440.

The previous prime is 42773501. The next prime is 42773567. The reversal of 42773556 is 65537724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21825 + ... + 23703.

Almost surely, 2^42773556 is an apocalyptic number.

It is an amenable number.

42773556 is an abundant number, since it is smaller than the sum of its proper divisors (71771084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42773556 is a wasteful number, since it uses less digits than its factorization.

42773556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2162 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 42773556 is about 6540.1495395748. The cubic root of 42773556 is about 349.7237439123.

The spelling of 42773556 in words is "forty-two million, seven hundred seventy-three thousand, five hundred fifty-six".